Do not normalize searchfilter sent to the backend.

We have every analyzers setup for ES to do that more precisely.

h/static/scripts/searchfilters.coffee

@@ -43,14 +43,6 @@ class SearchFilter
 
     tokens
 
-  # Converts a string into lowercase and asciifolds
-  this.$inject = ['stringHelpers']
-  constructor: (stringHelpers) ->
-    @_normalize = (str) ->
-      if typeof str is 'string'
-        return stringHelpers.unidecode(str.toLowerCase())
-      else return str
-
   # This function will generate the facets from the search-text input
   # It'll first tokenize it and then sorts them into facet lists
   # The output will be a dict with the following structure:
@@ -82,7 +74,7 @@ class SearchFilter
         filter = term.slice 0, term.indexOf ":"
         unless filter? then filter = ""
         switch filter
-          when 'quote' then quote.push @_normalize term[6..]
+          when 'quote' then quote.push term[6..]
           when 'result' then result.push term[7..]
           when 'since'
             # We'll turn this into seconds
@@ -118,11 +110,11 @@ class SearchFilter
               # Time given in year
               t = /^(\d+)year$/.exec(time)[1]
               since.push t * 60 * 60 * 24 * 365
-          when 'tag' then tag.push @_normalize term[4..]
-          when 'text' then text.push @_normalize term[5..]
-          when 'uri' then uri.push @_normalize term[4..]
-          when 'user' then user.push @_normalize term[5..]
-          else any.push @_normalize term
+          when 'tag' then tag.push term[4..]
+          when 'text' then text.push term[5..]
+          when 'uri' then uri.push term[4..]
+          when 'user' then user.push term[5..]
+          else any.push term
 
     any:
       terms: any

h/static/scripts/services.coffee

@@ -507,6 +507,14 @@ class ViewFilter
     limit = Math.min((filters.result?.terms or [])...)
     count = 0
 
+    # Normalizing the filters, need to do only once.
+    for _, filter of filters
+      if filter.terms
+        filter.terms = filter.terms.map (e) =>
+          e = e.toLowerCase()
+          e = @_normalize e
+          e
+
     for annotation in annotations
       break if count >= limit